Remove unnecessary android:codes attribute

If there is no android:codes specified, the first character of
keyLabel's code point will be used instead.

Also introduce readable codes as @integer/key_XXX resources

Bug: 2973749
Change-Id: If9021ca35f9a7b922817e2099186fce0cd993652
diff --git a/java/res/xml-de/kbd_qwerty.xml b/java/res/xml-de/kbd_qwerty.xml
old mode 100755
new mode 100644
index 8829b53..f03683c
--- a/java/res/xml-de/kbd_qwerty.xml
+++ b/java/res/xml-de/kbd_qwerty.xml
@@ -27,85 +27,66 @@
 >
     <Row>
         <Key
-            android:codes="113"
             android:keyLabel="q"
             android:keyEdgeFlags="left" />
         <Key
-            android:codes="119"
             android:keyLabel="w" />
         <Key
-            android:codes="101"
             android:keyLabel="e"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_e" />
         <Key
-            android:codes="114"
             android:keyLabel="r" />
         <Key
-            android:codes="116"
             android:keyLabel="t" />
         <Key
-            android:codes="122"
             android:keyLabel="z" />
         <Key
-            android:codes="117"
             android:keyLabel="u"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_u" />
         <Key
-            android:codes="105"
             android:keyLabel="i"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_i" />
         <Key
-            android:codes="111"
             android:keyLabel="o"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_o" />
         <Key
-            android:codes="112"
             android:keyLabel="p"
             android:keyEdgeFlags="right" />
     </Row>
     <Row>
         <Key
-            android:codes="97"
             android:keyLabel="a"
             android:horizontalGap="5%p"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_a"
             android:keyEdgeFlags="left" />
         <Key
-            android:codes="115"
             android:keyLabel="s"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_s" />
         <Key
-            android:codes="100"
             android:keyLabel="d" />
         <Key
-            android:codes="102"
             android:keyLabel="f" />
         <Key
-            android:codes="103"
             android:keyLabel="g" />
         <Key
-            android:codes="104"
             android:keyLabel="h" />
         <Key
-            android:codes="106"
             android:keyLabel="j" />
         <Key
-            android:codes="107"
             android:keyLabel="k" />
         <Key
-            android:codes="108"
             android:keyLabel="l"
             android:keyEdgeFlags="right" />
     </Row>
     <Row>
         <Key
-            android:codes="-1"
+            android:codes="@integer/key_shift"
             android:keyIcon="@drawable/sym_keyboard_shift"
             android:keyWidth="15%p"
             android:isModifier="true"
@@ -113,34 +94,27 @@
             android:isSticky="true"
             android:keyEdgeFlags="left" />
         <Key
-            android:codes="121"
             android:keyLabel="y"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_y" />
         <Key
-            android:codes="120"
             android:keyLabel="x" />
         <Key
-            android:codes="99"
             android:keyLabel="c"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_c" />
         <Key
-            android:codes="118"
             android:keyLabel="v" />
         <Key
-            android:codes="98"
             android:keyLabel="b" />
         <Key
-            android:codes="110"
             android:keyLabel="n"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_n" />
         <Key
-            android:codes="109"
             android:keyLabel="m" />
         <Key
-            android:codes="-5"
+            android:codes="@integer/key_delete"
             android:keyIcon="@drawable/sym_keyboard_delete"
             android:keyWidth="15%p"
             android:keyEdgeFlags="right"
@@ -153,7 +127,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left"
@@ -171,20 +145,19 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_keyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
             android:isRepeatable="true"
             android:isModifier="true" />
         <Key
-            android:codes="46"
             android:keyLabel="."
             android:popupKeyboard="@xml/popup_punctuation"
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_keyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="25%p"
@@ -196,7 +169,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left"
@@ -212,7 +185,7 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_keyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
@@ -224,7 +197,7 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_keyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="25%p"
@@ -236,7 +209,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left"
@@ -251,7 +224,7 @@
             android:keyLabel="\@"
             android:isModifier="true" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_keyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
@@ -262,7 +235,7 @@
             android:popupKeyboard="@xml/popup_punctuation"
             android:isModifier="true" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_keyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="25%p"
@@ -274,7 +247,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left"
@@ -292,14 +265,13 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_keyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
             android:isRepeatable="true"
             android:isModifier="true" />
         <Key
-            android:codes="46"
             android:keyLabel="."
             android:popupKeyboard="@xml/popup_punctuation"
             android:keyWidth="10%p"
@@ -317,7 +289,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left"
@@ -335,14 +307,13 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_keyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
             android:isRepeatable="true"
             android:isModifier="true" />
         <Key
-            android:codes="9"
             android:keyIcon="@drawable/sym_keyboard_tab"
             android:iconPreview="@drawable/sym_keyboard_feedback_tab"
             android:keyWidth="10%p"
@@ -353,7 +324,7 @@
             android:keyWidth="10%p"
             android:isModifier="true" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_keyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="15%p"
diff --git a/java/res/xml-de/kbd_qwerty_black.xml b/java/res/xml-de/kbd_qwerty_black.xml
old mode 100755
new mode 100644
index ce53793..29cb2d1
--- a/java/res/xml-de/kbd_qwerty_black.xml
+++ b/java/res/xml-de/kbd_qwerty_black.xml
@@ -27,85 +27,66 @@
 >
     <Row>
         <Key
-            android:codes="113"
             android:keyLabel="q"
             android:keyEdgeFlags="left" />
         <Key
-            android:codes="119"
             android:keyLabel="w" />
         <Key
-            android:codes="101"
             android:keyLabel="e"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_e" />
         <Key
-            android:codes="114"
             android:keyLabel="r" />
         <Key
-            android:codes="116"
             android:keyLabel="t" />
         <Key
-            android:codes="122"
             android:keyLabel="z" />
         <Key
-            android:codes="117"
             android:keyLabel="u"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_u" />
         <Key
-            android:codes="105"
             android:keyLabel="i"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_i" />
         <Key
-            android:codes="111"
             android:keyLabel="o"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_o" />
         <Key
-            android:codes="112"
             android:keyLabel="p"
             android:keyEdgeFlags="right" />
     </Row>
     <Row>
         <Key
-            android:codes="97"
             android:keyLabel="a"
             android:horizontalGap="5%p"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_a"
             android:keyEdgeFlags="left" />
         <Key
-            android:codes="115"
             android:keyLabel="s"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_s" />
         <Key
-            android:codes="100"
             android:keyLabel="d" />
         <Key
-            android:codes="102"
             android:keyLabel="f" />
         <Key
-            android:codes="103"
             android:keyLabel="g" />
         <Key
-            android:codes="104"
             android:keyLabel="h" />
         <Key
-            android:codes="106"
             android:keyLabel="j" />
         <Key
-            android:codes="107"
             android:keyLabel="k" />
         <Key
-            android:codes="108"
             android:keyLabel="l"
             android:keyEdgeFlags="right" />
     </Row>
     <Row>
         <Key
-            android:codes="-1"
+            android:codes="@integer/key_shift"
             android:keyIcon="@drawable/sym_bkeyboard_shift"
             android:keyWidth="15%p"
             android:isModifier="true"
@@ -113,34 +94,27 @@
             android:isSticky="true"
             android:keyEdgeFlags="left" />
         <Key
-            android:codes="121"
             android:keyLabel="y"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_y" />
         <Key
-            android:codes="120"
             android:keyLabel="x" />
         <Key
-            android:codes="99"
             android:keyLabel="c"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_c" />
         <Key
-            android:codes="118"
             android:keyLabel="v" />
         <Key
-            android:codes="98"
             android:keyLabel="b" />
         <Key
-            android:codes="110"
             android:keyLabel="n"
             android:popupKeyboard="@xml/kbd_popup_template"
             android:popupCharacters="@string/alternates_for_n" />
         <Key
-            android:codes="109"
             android:keyLabel="m" />
         <Key
-            android:codes="-5"
+            android:codes="@integer/key_delete"
             android:keyIcon="@drawable/sym_bkeyboard_delete"
             android:keyWidth="15%p"
             android:keyEdgeFlags="right"
@@ -152,7 +126,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left" />
@@ -167,18 +141,17 @@
             android:iconPreview="@drawable/sym_keyboard_feedback_mic"
             android:keyWidth="10%p" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_bkeyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
             android:isRepeatable="true" />
         <Key
-            android:codes="46"
             android:keyLabel="."
             android:popupKeyboard="@xml/popup_punctuation"
             android:keyWidth="10%p" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_bkeyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="25%p"
@@ -189,7 +162,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left" />
@@ -202,7 +175,7 @@
             android:keyLabel="/"
             android:keyWidth="10%p" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_bkeyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
@@ -212,7 +185,7 @@
             android:popupKeyboard="@xml/popup_punctuation"
             android:keyWidth="10%p" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_bkeyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="25%p"
@@ -223,7 +196,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left" />
@@ -235,7 +208,7 @@
         <Key
             android:keyLabel="\@" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_bkeyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
@@ -244,7 +217,7 @@
             android:keyLabel="."
             android:popupKeyboard="@xml/popup_punctuation" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_bkeyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="25%p"
@@ -255,7 +228,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left" />
@@ -270,13 +243,12 @@
             android:iconPreview="@drawable/sym_keyboard_feedback_mic"
             android:keyWidth="10%p" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_bkeyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
             android:isRepeatable="true" />
         <Key
-            android:codes="46"
             android:keyLabel="."
             android:popupKeyboard="@xml/popup_punctuation"
             android:keyWidth="10%p" />
@@ -292,7 +264,7 @@
         android:rowEdgeFlags="bottom"
     >
         <Key
-            android:codes="-2"
+            android:codes="@integer/key_symbol"
             android:keyLabel="@string/label_symbol_key"
             android:keyWidth="15%p"
             android:keyEdgeFlags="left" />
@@ -307,13 +279,12 @@
             android:iconPreview="@drawable/sym_keyboard_feedback_mic"
             android:keyWidth="10%p" />
         <Key
-            android:codes="32"
+            android:codes="@integer/key_space"
             android:keyIcon="@drawable/sym_bkeyboard_space"
             android:iconPreview="@drawable/sym_keyboard_feedback_space"
             android:keyWidth="30%p"
             android:isRepeatable="true" />
         <Key
-            android:codes="9"
             android:keyIcon="@drawable/sym_bkeyboard_tab"
             android:iconPreview="@drawable/sym_keyboard_feedback_tab"
             android:keyWidth="10%p" />
@@ -322,7 +293,7 @@
             android:popupKeyboard="@xml/popup_punctuation"
             android:keyWidth="10%p" />
         <Key
-            android:codes="10"
+            android:codes="@integer/key_return"
             android:keyIcon="@drawable/sym_bkeyboard_return"
             android:iconPreview="@drawable/sym_keyboard_feedback_return"
             android:keyWidth="15%p"